Sazykinaite-(Y) Mineral Data

Sazykinaite-(Y) Mineral Data +

[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors

General Sazykinaite-(Y) Information

Chemical Formula:

Na5YZrSi6018·6(H2O)

Composition:

Molecular Weight = 859.67 gm

Sodium 13.37 % Na 18.02 % Na₂O

Yttrium 10.34 % Y 13.13 % Y₂O₃

Zirconium 10.61 % Zr 14.33 % ZrO₂

Silicon 19.60 % Si 41.94 % SiO₂

Hydrogen 1.41 % H 12.57 % H₂O

Oxygen 44.67 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na₅YZrSi₆O₁₈·6(H₂O)

Environment:

In hyperagpaitic pegmatites.

IMA Status:

Approved IMA 1993

Locality:

Mt. Koashva, SE part of the Khibina alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.

Name Origin:

Named after Ludmila B. Sazykina (1934- ), a Kola artist.

Synonym:

IMA1992-031

Sazykinaite-(Y) Image

Images:

Sazykinaite-(Y)

Comments: Light brown crystals of sazykinaite-(Y).
Location: Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Sazykinaite-(Y) Crystallography

Axial Ratios:

a:c = 1:1.46041

Cell Dimensions:

a = 10.825, c = 15.809, Z = 3; V = 1,604.32 Den(Calc)= 2.67

Crystal System:

Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: R 32

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.03(1), 3.127(0.88), 3.236(0.84),

Physical Properties of Sazykinaite-(Y)

Cleavage:

[012] Imperfect

Color:

Light green, Yellow.

Density:

2.67 - 2.71, Average = 2.69

Diaphaniety:

Transparent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Crystalline - Fine - Occurs as well-formed fine sized crystals.

Hardness:

5 - Apatite

Luminescence:

Fluorescent, Short UV=bright green.

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Sazykinaite-(Y)

Dichroism (e):

colorless.

Dichroism (w):

colorless.

Gladstone-Dale:

CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.005 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2178,KPDmeas= 0.2162,KC= 0.2168

Optical Data:

Uniaxial (-), e=1.578, w=1.585, bire=0.0070.

Calculated Properties of Sazykinaite-(Y)

Electron Density:

r_electron=2.64 gm/cc
note: r_{Sazykinaite-(Y)}=2.69 gm/cc.

Fermion Index

Fermion Index = 0.02127
Boson Index = 0.97873

Photoelectric:

PE_{Sazykinaite-(Y)}= 27.27 barns/electron
U=PE_{Sazykinaite-(Y)} x r_electron= 72.01 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Sazykinaite-(Y) is Not Radioactive

Sazykinaite-(Y) Classification

Dana Class:

59.2.3.3 (59)Cyclosilicate Three-Membered Rings

(59.2)hydrated

(59.2.3)Hilairite group

59.2.3.1 Hilairite Na2ZrSi3O9·3(H2O) R 3m 3 2/m

59.2.3.2 Calciohilairite CaZrSi3O9·3(H2O) R 32 3 2

59.2.3.3 Sazykinaite-(Y) Na5YZrSi6018·6(H2O) R 32 3 2

59.2.3.4 Pyatenkoite-(Y)! Na5(Y,Dy,Gd)TiSi6O18·6(H2O) R 32 3 2

Strunz Class:

VIII/F.29-25 VIII - Silicates

VIII/F - Inosilicates (chain and band) Six chains [Si6O18]12- and six bands [Si12O30]12-

VIII/F.29 - Hilairite - Stokesite series

VIII/F.29-10 Hilairite Na2ZrSi3O9·3(H2O) R 3m 3 2/m

VIII/F.29-20 Calciohilairite CaZrSi3O9·3(H2O) R 32 3 2

VIII/F.29-24 Pyatenkoite-(Y)! Na5(Y,Dy,Gd)TiSi6O18·6(H2O) R 32 3 2

VIII/F.29-25 Sazykinaite-(Y) Na5YZrSi6018·6(H2O) R 32 3 2

VIII/F.29-30 Stokesite CaSnSi3O9·2(H2O) Pnna 2/m 2/m 2/m

Other Sazykinaite-(Y) Information

References:

NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.80,p631,1995) OPTIC PROP.(MinRec)

See Also:

Links to other databases for Sazykinaite-(Y) :
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 -Athena 5 - EUROmin Project 6 -Google Images 7 -Google Scholar 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST

Search for Sazykinaite-(Y) using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Sazykinaite-(Y) :
AA Mineral Specimens
B and L Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Sazykinaite-(Y) Mineral Data :

Ask about Sazykinaite-(Y) here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Sazykinaite-(Y) Specimen Label here :

Sazykinaite-(Y)

Na5YZrSi6018·6(H2O)
Dana No: 59.2.3.3 Strunz No: VIII/F.29-25
Locality:

Notes: